<?php
/*
	diag_traceroute.php
	part of m0n0wall (http://m0n0.ch/wall)

	Copyright (C) 2005 Paul Taylor (paultaylor@winndixie.com) and Manuel Kasper <mk@neon1.net>.
	All rights reserved.

	Redistribution and use in source and binary forms, with or without
	modification, are permitted provided that the following conditions are met:

	1. Redistributions of source code must retain the above copyright notice,
	this list of conditions and the following disclaimer.

	2. Redistributions in binary form must reproduce the above copyright
	notice, this list of conditions and the following disclaimer in the
	documentation and/or other materials provided with the distribution.

	THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
	INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
	AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
	AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
	OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
	INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
	CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
	POSSIBILITY OF SUCH DAMAGE.
*/

##|+PRIV
##|*IDENT=page-diagnostics-traceroute
##|*NAME=Diagnostics: Traceroute page
##|*DESCR=Allow access to the 'Diagnostics: Traceroute' page.
##|*MATCH=diag_traceroute.php*
##|-PRIV



require("guiconfig.inc");
$pgtitle = array("系统工具","Traceroute");
include("head.inc");
?>
<body link="#000000" vlink="#000000" alink="#000000">
<? include("fbegin.inc"); ?>
<?php

define('MAX_TTL', 64);
define('DEFAULT_TTL', 18);

if ($_POST) {
	unset($input_errors);
	unset($do_traceroute);

	/* input validation */
	$reqdfields = explode(" ", "host ttl");
	$reqdfieldsn = explode(",", "主机,ttl");
	do_input_validation($_POST, $reqdfields, $reqdfieldsn, &$input_errors);

	if (($_POST['ttl'] < 1) || ($_POST['ttl'] > MAX_TTL)) {
		$input_errors[] = "最大跳数必须在 1 和 {MAX_TTL} 之间";
	}

	if (!$input_errors) {
		$do_traceroute = true;
		$host = $_POST['host'];
		$ttl = $_POST['ttl'];

	}
}
if (!isset($do_traceroute)) {
	$do_traceroute = false;
	$host = '';
	$ttl = DEFAULT_TTL;
}
?>
<?php if ($input_errors) print_input_errors($input_errors); ?>
			<form action="diag_traceroute.php" method="post" name="iform" id="iform">
				<div class="soft_cont_right_table">
			  <table width="100%" border="0" cellpadding="6" cellspacing="0">
				<tr>
					<td colspan="2" valign="top" class="listtopic">Traceroute</td>
				</tr>	
                <tr>
				  <td width="22%" valign="top" class="vncellreq">主机</td>
				  <td width="78%" class="vtable"> 
                    <?=$mandfldhtml;?><input name="host" type="text" class="formfld" id="host" size="20" value="<?=htmlspecialchars($host);?>"></td>
				</tr>
				<tr>
				  <td width="22%" valign="top" class="vncellreq">最大跳数</td>
				  <td width="78%" class="vtable">
					<select name="ttl" class="formfld" id="ttl">
					<?php for ($i = 1; $i <= MAX_TTL; $i++): ?>
					<option value="<?=$i;?>" <?php if ($i == $ttl) echo "selected"; ?>><?=$i;?></option>
					<?php endfor; ?>
					</select></td>
				</tr>

				<tr>
				  <td width="22%" valign="top" class="vncellreq">使用ICMP</td>
				  <td width="78%" class="vtable">
					<input name="useicmp" type="checkbox"<?php if($_POST['useicmp']) echo " CHECKED"; ?>>
					</td>
				</tr>
				<tr>
				  <td width="22%" valign="top">&nbsp;</td>
				  <td width="78%"> 
                    <input name="Submit" type="submit" class="formbtn" value="Traceroute">
				</td>
				</tr>
				<tr>
				<td valign="top" colspan="2">
				<p><span class="vexpl"><span class="red"><strong>注意：</strong></span> Traceroute需要一段时间来完成，您可以随时按停止按钮来查看未完成的记录。<p>
				<? if ($do_traceroute) {
					echo "<font face='terminal' size='2'>";
					echo("<br><strong>Traceroute输出：</strong><br>");
					echo('<pre>');
					ob_end_flush();
					if($_POST['useicmp'])
						$useicmp = "-I";
					else
						$useicmp = "";
					system("/usr/sbin/traceroute $useicmp -w 2 -m " . escapeshellarg($ttl) . " " . escapeshellarg($host));
					echo('</pre>');
				}
				?>
				</td>
				</tr>
				<tr>
				  <td width="22%" valign="top">&nbsp;</td>
				  <td width="78%"> 
					<span class="vexpl"><strong>注意：</strong></span> 该工具当前不支持多WAN口。
				 </td>
				</tr>					
			</table>
		</div>
</form>
<?php include("fend.inc"); ?>
